[INFO] cloning repository https://github.com/rwhssa/senior-junior-lottery
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rwhssa/senior-junior-lottery" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frwhssa%2Fsenior-junior-lottery", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frwhssa%2Fsenior-junior-lottery'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9625d8b1db4d9890f50613c6ee1b7df786d1d2ff
[INFO] checking rwhssa/senior-junior-lottery against try#50b21af28e291c419ae81eebcb7705fb4200dc90 for pr-135167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frwhssa%2Fsenior-junior-lottery" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/post-update.sample' to '/workspace/builds/worker-1-tc2/source/.git/hooks/post-update.sample': No space left on device
[INFO] checking rwhssa/senior-junior-lottery against try#50b21af28e291c419ae81eebcb7705fb4200dc90 for pr-135167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frwhssa%2Fsenior-junior-lottery" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/prepare-commit-msg.sample' to '/workspace/builds/worker-1-tc2/source/.git/hooks/prepare-commit-msg.sample': No space left on device
[INFO] checking rwhssa/senior-junior-lottery against try#50b21af28e291c419ae81eebcb7705fb4200dc90 for pr-135167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frwhssa%2Fsenior-junior-lottery" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] fatal: could not create work tree dir '/workspace/builds/worker-1-tc2/source': No space left on device
[INFO] checking rwhssa/senior-junior-lottery against try#50b21af28e291c419ae81eebcb7705fb4200dc90 for pr-135167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frwhssa%2Fsenior-junior-lottery" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] fatal: could not create work tree dir '/workspace/builds/worker-1-tc2/source': No space left on device
[INFO] checking rwhssa/senior-junior-lottery against try#50b21af28e291c419ae81eebcb7705fb4200dc90 for pr-135167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frwhssa%2Fsenior-junior-lottery" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rwhssa/senior-junior-lottery on toolchain 50b21af28e291c419ae81eebcb7705fb4200dc90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rwhssa/senior-junior-lottery
[INFO] finished tweaking git repo https://github.com/rwhssa/senior-junior-lottery
[INFO] tweaked toml for git repo https://github.com/rwhssa/senior-junior-lottery written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rwhssa/senior-junior-lottery already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40582021f122023d509e18f5fdcebd50e202bb911091bc77356763c52a954436
[INFO] running `Command { std: "docker" "start" "-a" "40582021f122023d509e18f5fdcebd50e202bb911091bc77356763c52a954436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40582021f122023d509e18f5fdcebd50e202bb911091bc77356763c52a954436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40582021f122023d509e18f5fdcebd50e202bb911091bc77356763c52a954436", kill_on_drop: false }`
[INFO] [stdout] 40582021f122023d509e18f5fdcebd50e202bb911091bc77356763c52a954436
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 428008af50950cbe462b500a26303c4b5ab184699922fab04144e6196690bbb8
[INFO] running `Command { std: "docker" "start" "-a" "428008af50950cbe462b500a26303c4b5ab184699922fab04144e6196690bbb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking senior-junior-lottery v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `unmatched_students1` is never read
[INFO] [stdout]   --> src/main.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         unmatched_students1 = unmatched_students1[len_unmatched..].to_vec();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `unmatched_students1` is never read
[INFO] [stdout]   --> src/main.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         unmatched_students1 = unmatched_students1[len_unmatched..].to_vec();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `unmatched_students2` is never read
[INFO] [stdout]   --> src/main.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         unmatched_students2 = unmatched_students2[len_unmatched..].to_vec();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `unmatched_students2` is never read
[INFO] [stdout]   --> src/main.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         unmatched_students2 = unmatched_students2[len_unmatched..].to_vec();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.68s
[INFO] running `Command { std: "docker" "inspect" "428008af50950cbe462b500a26303c4b5ab184699922fab04144e6196690bbb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "428008af50950cbe462b500a26303c4b5ab184699922fab04144e6196690bbb8", kill_on_drop: false }`
[INFO] [stdout] 428008af50950cbe462b500a26303c4b5ab184699922fab04144e6196690bbb8